Description: DYNAMIC RACING / 2019-2025 YAMAHA YZ250F 80mm 270cc BIG BORE KIT All in one bolt on kit! You can expect an easy 3-4hp from this kit. And another 1-2 with a good dyno tune. One standout feature of this piston kit is its innovative crown design, which enhances combustion efficiency and delivers improved power output. Combined with a custom DLC-coated wrist pin and specially designed rings, this kit ensures premium durability and performance. A COMETIC gasket kit is included that guarantees a reliable seal. Paired with a high quality Cylinder Works cylinder this kit is incredibly reliable and makes serious power. Kit Includes:-14.7:1 Compression Ratio JE Forged Piston-Cylinder Works 80mm Cylinder (This cylinder has thicker water jackets that prevents cylinder failures, unlike traditional big bores)-DLC Coated Wrist Pin: Reduces friction and maximizes durability and performance-Japanese Ring Pack: Provides a secure seal for enhanced performance-COMETIC 80mm head gaskets, cylinder gasket, valve guide seals, exhaust gasket and tensioner gasket Keywords: Pro Circuit FMF Yoshimura Excel Honda KTM Kawasaki Suzuki Ducati Gas Gas Husqvarna MX SX Motocross Supercross Race Engine Ferrea PC Spring Connecting Rod Top End Valvetrain YZ YFZ YZF 250cc 450cc Moldstar CNC Porting Racing Camshaft Webcamshaft Megacycle Rebuild keywords for ebay Honda Yamaha Suzuki KTM Gas Husqvarna Triumph Kawasaki CR CRF TRX YZ YZF YFZ YZ-F YF-Z YFM YFZ450 Quad ATV Motorcycle RM RMZ RM-Z LTR LT-R SX SXF SX-F EX EXC EX-C EXCF EXC-F TC FC MC KX KXF KFX KX-F KF-X MX SX Motocross Supercross Outdoors Trails Off-Road Offroad Dual Sport Dual-Sport Dirbike Dirt Bike Motorcross Moto-cross Super-cross Monster Energy Red Bull All Balls Hot Cams Dynamic Engine Factory Hotcams Pro Circuit PC Cam Piston Crankshaft Crank Con Rod Connecting Bearing Gear Transmission Clutch Basket Top End Bottom End Complete Valve Spring Camshaft Speed Vortex Athena GET Del West Ferrea KPMI Kibblewhite Spring Kit Valve-train Valvetrain Case Cylinder Head Seat Guide Seal Dowel Pin Shift Shifter Fork Shock Swingarm Frame Gasket Wiring Harness Throttle Body Carb Handlebar Map Switch Connector Intake Boot Injector Fuel Pump Relay Start Starting Box Keihin Mikuni Denso Coil Spark Plug DLC Ti-Nitride CRN Kashima Kayaba Showa Cable Throttle Hot Start Pro Taper Renthal Calico CP Carrillo Carillo Carrilo CP-Carrillo Pankl Systems Racing Forged Cast Dye Con-Rod Bog Bore Stroker Crank Works 2mil 3mil 5mil 6mil 7mil 8mil 95mm 96mm 97mm 98mm 99mm 100mm 101mm 102mm 103mm 104mm 105mm Cosworth F1 Indycar Coffe GNCC District37 District-37 Romaniacs 6 days six James stewart Chase Sexton Hunter Jeet Lawrence Deegan Hot Rods Wiseco JE RWP WPS Tucker Turn14 Dunlop Vertex ProX Pro-X Tusk RMATV Motosport Motorsport Drag Race VP ETS Pro6 Nitro Methanol 5050 Nitrous MixU4 U4.4 MR12 VP100 T4 MRX01 MRX-01 Supermini Super Mini Super-Mini Lorettas Mini O's Origin MPH Drag Strip outlaws kart karts mini sprint trophy lucas oil Loors flat track flat-track Gearing over-rev rpm science Intake TB TPI High pressure o-ring Keywords: Racing Drag Motocross ATV Engine Pipe Exhaust Intake Quad VP Fuel Customs Wiseco Big Bore DASA Piston Throttle Dunes Glamis Trails GNCC Supercross Dual Sport CRF450R Trail Off-Road RacerX 450L Honda Dirtbike CRF CRF450X 450X 450R YFZ Suzuki KTM GAS HUSQVARNA District37 Desert Forrest Exhaust Pipe Silencer Intake
Price: 699.95 USD
Location: Midland, North Carolina
End Time: 2025-01-22T22:32:42.000Z
Shipping Cost: 0 USD
Product Images
Item Specifics
Return shipping will be paid by: Buyer
Returns Accepted: Returns Accepted
Item must be returned within: 14 Days
Refund will be given as: Money back or replacement (buyer's choice)
Return policy details:
Brand: Yamaha
Engine Type: 4-Stroke
